<?php
##
## Copyright 2013-2018 Opera Software AS
##
## Licensed under the Apache License, Version 2.0 (the "License");
## you may not use this file except in compliance with the License.
## You may obtain a copy of the License at
##
## http://www.apache.org/licenses/LICENSE-2.0
##
## Unless required by applicable law or agreed to in writing, software
## distributed under the License is distributed on an "AS IS" BASIS,
## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
## See the License for the specific language governing permissions and
## limitations under the License.
##

function show_diff($before, $after) {
	if($before == $after) {
		out($after);
	} else {
		out('<del>'.hesc($before).'</del> <ins>'.hesc($after).'</ins>', ESC_NONE);
	}
}
